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A battery voltage monitoring module used during capacity testing of large industrial battery banks. It connects into a BVM setup to measure and record individual cell voltages throughout the test, helping identify weak cells in systems.
A battery voltage monitoring module used during capacity testing of large industrial battery banks. It connects into a BVM setup to measure and record individual cell voltages throughout the test, helping identify weak cells in systems.
When used in conjunction with a load device, such as the TORKEL unit, and test data management software, such as PowerDB and TORKEL Win, the BVM enables you to perform a completely automated battery bank capacity test, according to IEC test method. The test also meets NERC/FERC requirements.
The BVM is designed in modular form where one BVM device is used for each battery or 'jar' in the string to be tested. One BVM for each battery connects to the next in a 'daisy-chain' fashion (up to 2x120 units), thereby providing easy and economical expandability to meet the testing requirements for small to large battery bank systems.
Features
Applications
| Environment | |
| Application field | Altitude <6500' (2000 m) above sea level |
| Operating temperature | 41 to 122°F (5 to 50°C) |
| Storage and transport temperature | 32 to 140°F (0 to 60°C) |
| Humidity | 5% to 95% RH, non-condensing |
| Measurement | |
| Maximum number of BVM units | 242 (2x121) |
| Voltage range | 0–20 V DC |
| Resolution | 1 mV |
| Inaccuracy | < 0.1% of full scale ±0.01VDC |
| Battery string voltage | 300 V DC (max per loop) |
| Measurement input impedance | 1 MΩ |
| General | |
| Mains voltage | 100 to 240 V AC, 50/60 Hz |
| Power consumption | 50 VA (max) |
| Protection | Overvoltage, reverse voltage, voltage transients, ESD |
| Dimensions | 3 x 2.5 x 1" (75 x 64 x 25 mm) |
| Weight | BVM Unit: 0.15 lbs (0.07 kg) |
Click on a category to view a selection of compatible accessories with the Megger CJ-59090 BVM Battery Voltage Monitor with control cable, single unit.
| Environment | |
| Application field | Altitude <6500' (2000 m) above sea level |
| Operating temperature | 41 to 122°F (5 to 50°C) |
| Storage and transport temperature | 32 to 140°F (0 to 60°C) |
| Humidity | 5% to 95% RH, non-condensing |
| Measurement | |
| Maximum number of BVM units | 242 (2x121) |
| Voltage range | 0–20 V DC |
| Resolution | 1 mV |
| Inaccuracy | < 0.1% of full scale ±0.01VDC |
| Battery string voltage | 300 V DC (max per loop) |
| Measurement input impedance | 1 MΩ |
| General | |
| Mains voltage | 100 to 240 V AC, 50/60 Hz |
| Power consumption | 50 VA (max) |
| Protection | Overvoltage, reverse voltage, voltage transients, ESD |
| Dimensions | 3 x 2.5 x 1" (75 x 64 x 25 mm) |
| Weight | BVM Unit: 0.15 lbs (0.07 kg) |
Click on a category to view a selection of compatible accessories with the Megger CJ-59090 BVM Battery Voltage Monitor with control cable, single unit.
